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Designing a CWDM network

I am interested in designing a simple point to point CWDM link between two 3550 switches. I have been having trouble finding information about what I need. I know I need the CWDM GBICs (different colors) however what cables do I need(SMF) and do the cables come conditioned for the laser for short distances? If I need an inline optical attenuator to compensate for the shorter distance where do I find one? I have seen the links on the CWDM but it does not go into too much detail. If I use for cwdm gbics between two 3550 I do not need to use an OADM. But can I use an OADM between two 3550 and four cwdm gbics? Do the OADMs handle the line conditioning for the short distance?

This is for a lab. The distance between the switches can be from 1 to 5 meters. Can anyone help????

Thanks...

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Re: Designing a CWDM network

For the details on the CWDM GBIC colours, refer the ordering information section of the following doc:It also contains info about OADMs.

http://www.cisco.com/warp/public/cc/so/neso/olso/nesocdwm/cgbic_ov.htm

For cabling specifications refer:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat4000/hw_doc/mod_inst/02prepar.htm#xtocid8

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